Alnustone CAS 33457-62-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 33457-62-4 |
| Molecular Formula | C19H18O |
| Molecular Weight | 262.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Alnustone (CAS 33457-62-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H18O. Molecular weight: 262.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H18O |
| Molecular Weight | 262.35 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- Oxysophocarpine (CAS 26904-64-3)
- Tert-butyl (1-(3-aminophenyl)cyclobutyl)carbamate (CAS 180146-52-5)
- Thiometon-sulfoxide (CAS 2703-37-9)
- methyl 5-chloro-1H-indole-6-carboxylate (CAS 1245643-61-1)
- 5-Bromo-2-cyano-4-fluorobenzenesulfonyl chloride (CAS 1805583-73-6)
- Isavuconazole Impurity 180 (CAS CATO-C4X-1236180)
- Methyl 3-hydroxy-5-methylbenzofuran-2-carboxylate (CAS 1173425-05-2)
- 1-(4-Fluorophenyl)-3,6-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carbohydrazide (CAS 937598-58-8)
- 4-(Propylsulfonyl)-1-naphthaldehyde (CAS 1394021-12-5)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com